1) Albert Lin is a archaeologist ( ) a) ✔ b) x 2) Archaeological tools save time, money, and effort for archaeologists. ( ) a) ✔ b) x 3) The taxi driver relies on the GPS device. ( ) a) ✔ b) x 4) Ground penetrating radar is used to discover objects buried underground ( ) a) ✔ b) x 5) The magnetometer is used to determine directions via satellites. ( ) a) x b) ✔ 6) Drones are used to get pictures of objects under the ground ( ) a) ✔ b) x 7) Albert Lin is a/an................... that uses modern technology to explor archaeological sites without digging. a) doctor   b) teacher c) archaeologist 8) Archaeologists need to know where to dig. So they do a survey...................the ground. a) above b) under c) both of them 9) - .......................... is/are used to get pictures of any region from above. a) GPS b) Magnetometer c) Drones 10) The ........................enables us to identify objects buried underground. a) GPR b) GPS c) GPA 11) You can uses .......................... to find the location  a) GPR b) GPS c) GPA 12) .........................is used to find minerals in the ground  a) A magnetometer  b) Drones  c) GPR 13) Computer It’s an electronic device used for processing data a) x b) ✔ 14) ...................... is considered one of the hardware components of a computer. a) PowerPoint b) Browser c) The CPU 15) .................. are devices that are used to enter data into a computer a) Input devices b) Output devices c) CPU 16) The............... Is one of the input devices on the computer a) speaker b) printer c) scanner 17) The computer is an electronic device that is used fore......................... a) processing data b) writing documents c) both of them 18) the.................... can change text into audio a) microphone b) Speech synthesizer c) Braille terminal 19) ......................It allows blind people to use computer a) Braille terminal b) Speaker c) Speech synthesizer 20) ......................It allows non-verbal people to speak a) Speech synthesizer b) Screen c) Camera

Grade 4

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